Pilot Evaluation of the Thriving Mamas Programme

The goal of this pilot study is to evaluate the feasibility, appropriateness, and acceptability of a mental health prevention intervention among adolescents during pregnancy and the year after birth (perinatal period) in Kenya and Mozambique. The main questions it aims to answer are: * Is the intervention feasible, acceptable, appropriate, and delivered/received with high fidelity, to adolescent girls, their friends/family members and service providers? * Are the implementation strategies acceptable, appropriate, feasible to all relevant stakeholders? * What impact does the intervention have on adolescent mothers' mental health? * What impact does the intervention have on adolescent mothers' social, economic, and education outcomes? Participants will: * Participate in nine individual and group sessions focused on improving mental and perinatal health literacy and increasing life skills * Receive standard perinatal care Researchers will compare findings with girls receiving standard perinatal care only to see if the intervention has an impact on adolescents' mental health, social, economic and education outcomes.